fix: missing typedef

Author: sharevb

src/tools/ai-prompt-splitter/chatgpt-prompt-splitter.d.ts

@@ -0,0 +1,7 @@
+declare module "chatgpt-prompt-splitter" {
+    export default function promptSplitter(options: {
+        prompt: string
+        splitLength: number
+        newLine: boolean
+    }): Array<string>;
+}